Geforce GTX 870 Specifications and benchmark Vs GTX 770 and GTX 780

Technical details about the Geforce GTX 870 graphic cards from Nvidia is now available, the Maxwell 870 GPU which is based on the GM204 will comes with 1664 CUDA cores and 4GB of GDDR5 video memory.
A table comparing the two new GTX 870 and GTX 880 Vs previous generation GTX 780/Ti, Nvidia kept the 28nm processing technology with increased core clock speed and memory size, that will certainly lead to a bigger cooling system.

WCCFT

GeForce GTX 780

GeForce GTX 780 Ti

Geforce GTX 870

Geforce GTX 880

Codename

GK110

GK110

GM204

GM204

Process

28nm

28nm

28nm

28nm

GPU Core

Kepler

Kepler

Maxwell

Maxwell

SMX/SMM

12

14

13

17 (?)

CUDA Cores

2304

2880

1644

2176 (?)

ROPS

48

48

32

32

TMUs

192

240

138

TBC

Core Clock

863 MHz

876 MHz

1051 MHz

TBC

Boost Clock

900 MHz

928 MHz

1178 MHz

TBC

Memory

3 GB GDDR5

3 GB GDDR5

4 GB GDDR5

4 GB/8GB GDDR5

Memory Clock

6.0 GB/s

7.0 GB/s

7.0 GB/s

7.0 GB/s

Memory Bus

384-Bit

384-Bit

256-Bit

256-Bit

Memory Bandwidth

288.6 GB/s

336.0 GB/s

224.5 GB/s

224.5 GB/s

Texture Fill Rate GT/s

166

210

145.0

TBC

TDP

250W

250W

~190W

~190W

Now for the benchmark results under 3DMark, there some attractive numbers, the GTX 870 is scoring 4625 Mark for the Extreme setting and 11,919 for the performance, while the Geforce GTX 770 scores at 10,500, so here the GTX 870 is 11% faster than the previous GTX 770.

3DMark Benchmark snapshots results:

Where the GTX 870 benchmark stand :

pics courtesy of wccftech

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